FIVE PIECES OF COSTAN RICAN JADE,Circa 500 B.C.-500 A.D. Comprising a blue-green avial form pendant; an avail celt, with twin knob head crest and heavy beak, tan stone; a tubular bead, with carved grooved design; a blue-green bead in the form of a human head; a blue bead in the form of an animal; together with a pendant (6) - Largest: 3 5/8 in. (9.2 cm.) the last. Estimate $500-600